| $Id: VERSIONS,v 1.61 2001/06/26 01:33:15 brianp Exp $ |
| |
| |
| Mesa Version History |
| ==================== |
| |
| 1.0 beta February 1995 |
| Initial release |
| |
| 1.1 beta March 4, 1995 |
| Changes: |
| faster point and line drawing (2x faster) |
| more systems supported, better Makefiles |
| Renamed lib*.a files to avoid collisions |
| many small bug fixes |
| New: |
| pseudo-GLX functions added |
| new implementation of evaluators (eval2.c) |
| GLUT support |
| |
| 1.1.1 beta March 7, 1995 |
| Changes: |
| Reverted from eval2.c to eval.c due to FPE on Linux |
| more speed improvements |
| more Makefile changes |
| |
| 1.1.2 beta March 14, 1995 |
| New: |
| implementation of SGI's blending extensions |
| glXUseXFont implemented |
| added MESA_DEBUG environment variable support |
| Changes: |
| Using eval2.c again |
| more FPE-prevention checks (0-length normals are OK) |
| a few small bug fixes |
| much faster pixel logic ops! |
| faster transformation arithmetic |
| |
| 1.1.3 beta March 31, 1995 |
| New: |
| gluScaleImage() and gluBuild2DMipMaps() implemented |
| Mesa widgets for Xt/Motif |
| blendEXT demos |
| added environment variables for selecting visuals |
| Changes: |
| almost all GLUT demos work correctly now |
| faster X device driver functions |
| more bug fixes |
| |
| 1.1.4 beta April 20, 1995 |
| Bug fixes: |
| - missing #define SEEK_SET in src-tk/image.c |
| - compile glShadeModel into display lists |
| - fixed pow() domain error in src/light.c |
| - fixed "flickering bitmaps" in double buffer mode |
| - fixed tk.h and aux.h for C++ |
| - state of LIGHT_MODEL_LOCAL_VIEWER was inverted |
| New features: |
| - MUCH, MUCH nicer dithering in 8-bit RGB mode |
| - updated widgets and widget demos |
| - Implemented GLXPixmap functions |
| - Added GLU 1.1 and GLX 1.1 functions |
| - Changed the X/Mesa interface API, more versatile |
| - Implemented gluPartialDisk() |
| |
| 1.2 May 22, 1995 |
| Bug fixes: |
| - IRIX 4.x makefile problem |
| - modified tk to share root colormap as needed |
| - gluLookAt normalization problem |
| - suppress Expose, NoExpose events in swapbuffers |
| - glBitmap() and glDrawPixels() clipping |
| New features: |
| - GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture |
| modes implemented |
| - texture maps stored more efficiently |
| - texture maps can be compiled into display lists |
| - Bogdan Sikorski's GLU polygon tesselation code |
| - Linas Vepstas's sweep and extrusion library |
| - glXCreateContext()'s shareList parameter works as it's supposed to. |
| XMesaCreateContext() updated to accept a shareList parameter too. |
| - Mesa can be compiled with real OpenGL .h files |
| - MESA_BACK_BUFFER environment variable |
| - better GLX error checking |
| |
| 1.2.1 June 22, 1995 |
| Bug fixes: |
| - X/Mesa double buffer window resize crash |
| - widgets now pass PointerMotion events |
| - X/Mesa incorrect default clear color and drawing color |
| - more robust X MIT-SHM support in X/Mesa |
| - glTexImage( format=GL_LUMINANCE ) didn't work |
| - GL_LINE mode polygons with line width > 1.0 could cause a crash |
| - numerous feedback bugs |
| - glReadPixels() from depth buffer was wrong |
| - error prone depth and stencil buffer allocation |
| New features: |
| - Preliminary Microsoft Windows driver |
| - Implemented a number of missing functions: glEvalCoord[12][df]v(), |
| glGet...(), etc. |
| - Added a few missing symbols to gl.h and glu.h |
| - Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. |
| - Faster rendering of lines when width=2.0 |
| - Stencil-related functions now work in display lists |
| Changes: |
| - renamed aux.h as glaux.h (MS-DOS names can't start with aux) |
| - most filenames are in 8.3 format to accomodate MS-DOS |
| - use GLubytes to store arrays of colors instead of GLints |
| |
| 1.2.2 August 2, 1995 |
| New features: |
| - texture mapped points and lines |
| - NURBS! (but not 100% complete) |
| - viewports may safely extend beyond window boundaries |
| - MESA_PRIVATE_CMAP environment variable |
| - Grayscale X display support |
| - two new demos: demos/gears.c and demos/shadow.c |
| - MachTen for Macintosh configuration |
| Bug fixes: |
| - glGet*(GL_DEPTH_BITS) returned bytes, not bits |
| - point, line, and bitmap rasterization suffered from roundoff errors |
| - fixed a division by zero error in line clippping |
| - occasional wrong default background color really fixed! |
| - glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work |
| - gluBuild2DMipmaps malloc problem fixed |
| - view volume clipping of smooth shaded lines resulted in bad colors |
| Changes: |
| - new visual selection method in glXChooseVisual() |
| - improved GLU quadric functions |
| - call XSync for glFinish and XFlush for glFlush |
| - glVertex() calls now use a function pointer to avoid conditionals |
| - removed contrib directory from Mesa tar file (available on ftp site) |
| - AIX shared library support |
| - Removed GLUenum type as it's not in OpenGL |
| |
| 1.2.3 September 26, 1995 |
| New features: |
| - Mesa header files now equivalent to SGI OpenGL headers |
| - Support for HP's Color Recovery dithering displays |
| - Faster vertex transformation |
| - Faster raster operations into X windows under certain conditions |
| - New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General |
| - 4-bit visuals now supported |
| Bug fixes: |
| - glScissor bug fixed |
| - round-off errors in clipping lines against clip planes fixed |
| - byte swapping between hosts and display servers implemented |
| - glGetError() can be called without a current rendering context |
| - problem with accidentally culled polygons is fixed |
| - fixed some widget compilation problems |
| |
| 1.2.4 November 17, 1995 |
| New features: |
| - More speed improvements (lighting, fogging, polygon drawing) |
| - Window system and OS-independent off-screen rendering |
| - Preliminary Fortran bindings |
| - glPolygonOffsetEXT implemented |
| - glColorMask and glIndexMask now fully implemented |
| - glPixelZoom implemented |
| - display lists fully implemented |
| - gamma correction |
| - dithering in 8-bit TrueColor/DirectColor visuals |
| Changes: |
| - Improved device driver interface |
| - tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk |
| - Dithering support moved from core into device driver |
| Bug fixes: |
| - glEnable/Disable( GL_LIGHTING ) didn't always take effect |
| - glReadPixels byte swapping was broken |
| - glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken |
| - duplicate glColor4b() prototype in GL/gl.h removed |
| - stripes in wave -ci demo fixed |
| - GL_LINEAR_MIPMAP_NEAREST had wrong value |
| - bugs in HP Color Recovery support fixed |
| - fixed bug when blending lines, points, bitmaps outside of window |
| |
| 1.2.5 November 30, 1995 |
| New Features: |
| - updated MS Windows driver |
| - new implementation of StaticGray/GrayScale visual support |
| Bug fixes: |
| - pixelzooming with gamma correction or blending didn't work |
| - HP color recovery visual wasn't being picked by glXChooseVisual |
| - glClear didn't always observe glColorMask changes |
| - olympic and offset demos didn't compile on some Suns |
| - texcoord clamping wasn't correct |
| - a polygon optimization introduced an occasional sampling problem |
| |
| 1.2.6 January 26, 1996 |
| New Features: |
| - faster line and polygon rendering under certain conditions. See |
| Performance Tips 9 and 10 in README |
| - profiling |
| - lighting is a bit faster |
| - better perspective corrected texture mapping |
| - Amiga AmiWin (X11) support |
| - preliminary Linux SVGA driver |
| Changes: |
| - now using a 16-bit depth buffer, faster, smaller |
| - GL_NORMALIZE is disabled by default |
| Bug fixes: |
| - projective texture mapping |
| - fixed a memory leak in the context destroy function |
| - GL_POLYGON with less than 3 vertices caused a crash |
| - glGet*() returned wrong result for GL_INDEX_MODE |
| - reading pixels from an unmapped X window caused a BadMatch error |
| |
| 1.2.7 March 5, 1996 |
| New: |
| - faster lighting |
| - faster 16-bit TrueColor rendering on Linux |
| - faster 32-bit TrueColor rendering on Linux, HP, IBM |
| - non-depth-buffered XImage polygons are faster |
| - vertex array extension |
| - software alpha planes |
| - updated Macintosh driver |
| - new NeXT driver |
| - GLU quadric functions generate texture coordinates |
| - reflect.c demo - reflective, textured surface demo |
| Changes: |
| - gamma correction code moved into the X driver for better performance |
| Bug fixes: |
| - multiple glClipPlane()'s didn't work reliably |
| - glPolygonMode() didn't always work |
| - glCullFace( GL_FRONT_AND_BACK ) didn't work |
| - texture mapping with gamma correction was buggy |
| - floating point exceptions in texture coordinate interpolation |
| - XImage byte swapping didn't always work |
| - polygon edge flags weren't always used correctly |
| |
| 1.2.8 May 22, 1996 |
| New: |
| - overlay planes on X servers with the SERVER_OVERLAY_VISUALS property |
| - better monochrome output |
| - more IRIX 6.x configurations |
| - more robust RGB mode color allocation |
| - added MESA_XSYNC environment variable |
| - GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions |
| - GL_MESA_window_pos extension |
| - faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT |
| and GL_UNSIGNED_INT |
| - driver for prototype Cirrus Mondello 3-D board |
| - updated AmigaDOS driver |
| - a few small speed optimizations in polygon rendering |
| Changes: |
| - internal device driver interface modified to simplify device |
| driver implementations and to support hardware Z buffers |
| - several changes to the X/Mesa interface (xmesa.h) |
| Bug fixes: |
| - fixed pow(0,0) domain error triggered on some systems |
| - glStencilClear() in a display list caused an infinite loop |
| - glRasterPos*() was sometimes off by +/-0.5 in X and Y |
| - color masking and blending were performed in wrong order |
| - auxSolidCylinder() sometimes drew a wire-frame cylinder |
| - fixed file writing bug in osdemo.c |
| - pixel mapping didn't always work |
| - the GL_GEQUAL stencil func didn't work |
| - the GL_INVERT stencil op didn't work |
| - the stencil write mask didn't work |
| - glPush/PopAttrib() didn't do enough error checking |
| - glIsList() didn't always work correctly |
| |
| 2.0 October 10, 1996 |
| New: |
| - Implements OpenGL 1.1 API functions |
| - all texture filtering modes supported (mipmapping) |
| - faster texture mapping, see Performance Tip 11 in README |
| - antialiased RGB points |
| - X support for line and polygon stippling |
| - glDrawBuffer( GL_FRONT_AND_BACK ) works |
| - util/ directory of useful stuff |
| - demos/texobj demo of texture objects |
| Changes: |
| - major internal changes for thread-safeness |
| - new device driver interface |
| - MESA_ALPHA env variable removed |
| - triangle rasterizer replaces polygon rasterizer |
| Bug fixes: |
| - glPopAttrib() bug |
| - glDrawBuffer(GL_NONE) works now |
| |
| 2.1 December 14, 1996 |
| New: |
| - VMS support |
| - MS-DOS driver |
| - OpenStep support |
| - updated, combined Windows 95/NT driver |
| - implemented glGetLighti() and glGetTexGen*() |
| - GLX does garbage collection of ancillary buffers |
| Bug fixes: |
| - removed unused _EXT constants from gl.h |
| - fixed polygon offset bugs |
| - Z coordinates of clipped lines were incorrect |
| - glEdgeFlag() in display lists didn't always work |
| - glLight*() in display lists didn't work |
| - fixed X line stipple bugs (Michael Pichler) |
| - glXUseXfonts XFreeFont/XFreeFontInfo bug fixed |
| - fixed a feedback bug |
| - glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix |
| - polygons were sometimes culled instead of clipped |
| - triangle rasterizer suffered from float/int overflow exceptions |
| - fixed FP underflow exception in lighting (specular exponent) |
| - glEnable/glDisable of GL_EXT_vertex_array enums didn't work |
| - fixed free(NULL) in GLU tesselator code |
| - using 24-bit color on some X servers resulted in garbage rendering |
| - 32-bit per pixel mode for XFree86 now works |
| - glRotate(a,0,0,0) gave unpredictable results |
| - GL_LINE_STRIP with > 480 vertices had occasional clipping problems |
| - 8-bit TrueColor GLXPixmap rendering incorrectly required a colormap |
| - glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled |
| - glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right |
| - accumulation buffer was limited to positive values |
| - projective textures didn't work |
| - selection buffer overflows weren't handled correctly |
| Changes: |
| - restored the GL_EXT_polygon_offset extension |
| - slightly faster RGB dithering |
| - the SVGA driver works again |
| - Amiga driver now distributed separately |
| - NeXT driver updated for Mesa 2.x |
| |
| 2.2 March 14, 1997 |
| New: |
| - better color selection when dithering |
| - added GL_EXT_texture_object extension |
| - updated MS-DOS driver for DJGPP |
| - added openbsd make configuration |
| - faster dithered flat-shaded triangles |
| - various compilation problems with Motif widgets fixed |
| - gl.h, glx.h and glu.h name mangling option |
| - BeOS driver |
| - 3D texture mapping extension |
| - GL_MESA_resize_buffers extension |
| - morph3d, stex3d and spectex demos |
| - 3Dfx support |
| Bug fixes: |
| - glColorMaterial should finally work right in all respects |
| - linear interpolation of mipmap levels was incorrectly weighted |
| - readpix.c didn't compile on Macintosh |
| - GL_INVERT and related logic ops didn't work right |
| - glTexImage[12]D() didn't check its parameters consistantly |
| - fixed a memory leak in glTexImage[12]D() |
| - kludged around a SunOS 5.x/GCC compiler bug in the feedback code |
| - glReadPixels aborted instead of normally catching some errors |
| - a few 1.1 constants were missing or misnamed in gl.h |
| - glBegin(p); glBegin(q); didn't generate an error |
| - fixed a memory leak in GLX code |
| - clipping of concave polygons could cause a core dump |
| - 1-component alpha texture maps didn't work |
| - fixed a GLU polygon tesselator bug |
| - polygons with colinear vertices were sometimes culled |
| - feedback triangle colors were wrong when using smooth shading |
| - textures with borders didn't work correctly |
| - colors returned in feedback mode were wrong when using lighting |
| - spotlights didn't effect ambient lighting correctly |
| - gluPartialDisk() had a few bugs |
| Changes: |
| - device driver interface expanded to support texture mapping |
| - faster matrix inversion subroutine |
| - commented out #include "wmesa_extend.h" from src/wmesa.c |
| - fixed many compiler warnings in the demo programs |
| |
| 2.3 June 30, 1997 |
| New: |
| - Mesa distribution divided into two pieces: library code and demos |
| - faster vertex transformation, clip testing, lighting |
| - faster line drawing |
| - TrueColor visuals how have dithering (for depths < 24 bits) |
| - added MESA_NO_DITHER environment variable |
| - new device driver function: NearFar(), RenderVB(), RasterSetup() |
| - added LynxOS configuration |
| - added cygnus Win32 configuration |
| - added texcyl.c GLUT demo |
| - added XMesaDitherColor() to X/Mesa interface |
| - new NURBS code from Bogdan Sikorski |
| - added demos/shape.c (non-rectangular X window!) |
| Bug fixes: |
| - glEnable/DisableClientState() were missing from GL/gl.h |
| - GL_SPHERE_MAP texcoord generation didn't work correctly |
| - glXGetConfig() returned wrong number of depth, stencil, accum bits |
| - glDrawPixels feedback/selection didn't examine RasterPos valid bit |
| - black and white were reversed on some monochrome displays |
| - fixed potential image memory leak (wasn't setting reference counter) |
| - glDrawPixels sometimes didn't recognize some GL state changes |
| - gluProject/UnProject() didn't check for divide by zero |
| - stex3d demo called random() and srandom(), not portable |
| - fixed memory leaks in context.c and drawpix.c |
| - fixed NULL dereferencing problem in gl_update_texture_state() |
| - glReadPixels between glBegin/glEnd didn't generate an error. |
| - fixed memory leak in polygon tesselator (Randy Frank) |
| - fixed seg fault bug drawing flat-shaded, depth-tested lines |
| - clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded |
| - glBindTexture sometimes didn't work |
| - fixed a bug deep in glXReleaseBuffersMESA() |
| - fog was mistakenly applied to alpha |
| - glPopMatrix didn't set "dirty matrix" flag |
| - glPolygonStipple pattern was sometimes wrong |
| - glClear wasn't disabled during feedback and selection |
| - fixed memory leak in glTexSubImage[123]D |
| Changes: |
| - many library source files reorganized |
| - faster X color allocation, colors also freed when finished with them |
| - new texture sampling function pointer in texture objects |
| - incorporated 3Dfx VooDoo driver v0.16 into main source tree |
| - many 3Dfx driver updates |
| - cygnus Makefiles now included |
| - updated DOS driver |
| - made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) |
| - internally, colors now stored in GLubytes, not GLfixed |
| - optimized changing of GL_SHININESS parameter |
| |
| 2.4 September 18, 1997 |
| New: |
| - updated 3Dfx Glide driver |
| - hacks for 3Dfx rendering into an X window or fullscreen |
| - added depth buffer access functions to X/Mesa and OS/Mesa interfaces |
| Bug fixes: |
| - pixel buffer could overflow with long, wide lines |
| - fixed FP underflow problems in lighting |
| - glTexSubImage1D() had an unitialized variable |
| - incomplete texture objects could cause a segfault |
| - glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop |
| - flat-shaded quads in a strip were miscolored if clipped |
| - mipmapped triangle lod computation now works correctly |
| - fixed a few under/overflow bugs in triangle rasterizer |
| - glArrayElement() assigned bad normal if normal array disabled |
| - changed argument to glXReleaseBuffersMESA() |
| - fixed small triangle underflow bugs in tritemp.h (hopefully) |
| - glBindTexture(target, 0) caused a crash |
| - glTexImage[123]D() with NULL image pointer caused crash |
| - glPixelStore parameters are now ignored during display list execution |
| - fixed a two-sided lighting w/ clipping bug (black vertices) |
| - textures with width!=height were sometimes mis-rendered |
| - "weird" projection matrices could cause div by 0, other fp errors |
| Changes: |
| - changed precompiled header symbol from PCH to PC_HEADER |
| - split api.c into api1.c and api2.c |
| - added hash.c source file (but not used yet) |
| - a few Sun and HP configuration file changes |
| - MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN |
| - fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) |
| |
| 2.5 November 20, 1997 |
| New: |
| - updated 3Dfx driver (v20) for GLQuake |
| - added GL_EXT_paletted_texture extension |
| - added GL_EXT_shared_texture_palette extension |
| - added GL_EXT_point_parameters extension |
| - now including Mark Kilgard's GLUT library v3.6 |
| - new GLUT-based demos in gdemos/ |
| - added a few more Unix config targets |
| - added Intel X86 assembly language vertex transformation code |
| - 3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var |
| - Windows 95 S3 Virge driver |
| Bug fixes: |
| - glCopyTexImage?D would crash due to uninitialized variable |
| - glColor w/ glColorMaterial in a display list caused a bug |
| - fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver |
| - glVertex4*() vertices weren't always projected correctly |
| - trying to use mipmapped textured points or lines caused crash |
| - glColor[34][fd]() values now clamped to [0,1] before int conversion |
| Changes: |
| - new device driver functions for texture mapping |
| - hash tables used for display list and texture object lookup |
| - fixed GLX visual handling code to avoid saving redundant visuals |
| - 3Dfx Glide libraries automatically linked to libMesaGL.so |
| - dropped the Cirrus Logic Mondello code since it's obsolete |
| - updated Cygnus Makefiles (Stephane Rehel) |
| - updated Windows MSVC++ Makefiles (Oleg Letsinsky) |
| - procedure for making library files has changed: scripts now take |
| a major and minor version arguments. Make-config changed a lot. |
| - new implementation of glTexSubImage2D() |
| - updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) |
| - separate linux-glide and linux-386-glide configurations |
| |
| 2.6 February 12, 1998 |
| New: |
| - Windows WGL functions |
| - updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support |
| - v0.22 of 3Dfx Glide driver |
| - more X86 assembly language optimizations |
| - faster blending for some modes |
| - XMesaSetFXmode() to switch between 3Dfx window and full-screen mode |
| - added preliminary thread support |
| - added GLX_MESA_copy_sub_buffer extension |
| - some clipping optimizations |
| Bug fixes: |
| - fixed shading/material bug when drawing long primitive strips |
| - fixed clipping problem in long primitive strips |
| - fixed clipping bug when using 3Dfx driver |
| - fixed a problem when trying to use X fonts w/ 3Dfx driver |
| - fixed a texture filter bug in 3Dfx/Glide driver |
| - fixed bug in 3Dfx/Glide driver involving depth mask & clearing |
| - glLoadMatrix to set projection matrix confused the 3Dfx driver |
| - non-identity texture matrices didn't work with linux-386 configs |
| - glGenTextures() didn't reserve the returned texture IDs |
| - NULL proxy image sent to glTexImageXD() caused crash |
| - added texture state validation optimization (Henk Kok) |
| - fixed colormap reuse problem when using both RGB and CI windows |
| - 32bpp True/DirectColor X visuals weren't recognized |
| - fixed potential problem in evaluators memory allocation |
| - fixed assorted demo compilation bugs |
| Changes: |
| - replaced old Mesa/windows/ directory with Mesa/WIN32/ directory |
| - converted a few old glaux/gltk demos to GLUT |
| - renamed directories: demos -> xdemos, gdemos -> demos |
| |
| |
| 3.0 September 17, 1998 |
| New: |
| - OpenGL 1.2 API |
| - GL_EXT_abgr pixel format extension |
| - GL_SGIS_texture_edge_clamp extension |
| - GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) |
| - GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) |
| - GL_EXT_rescale_normal extension and renormal.c demo |
| - GLX_SGI_video_sync extension (a no-op) |
| - antialiased lines |
| - glGetTexImage() now implemented |
| - glDraw/Copy/ReadPixels() optimizations |
| - optimized textured triangle code (Marten Stromberg) |
| - more optimization of dithered TrueColor triangles in X driver |
| - Linux GGI driver |
| - updated MGL driver |
| Bug fixes: |
| - lots of assorted compilation fixes |
| - glInitNames didn't write initial hit record |
| - glBitmap didn't always check for invalid raster position |
| - switching between GLX and OSMesa contexts caused a crash |
| - fixed uninitialized variable in Mesa widget code |
| - fixed typo in texture code which caused book/texgen to crash |
| - fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP |
| - gluDisk() in POINT or LINE mode sometimes failed |
| - fixed texture + fog bug |
| - GL_COMPILE_AND_EXECUTE mode didn't work reliably |
| - glMultMatrix in projection matrix mode w/ 3Dfx driver could fail |
| - glDrawPixels(color index pixels) weren't converted to RGBA |
| - fixed possible getenv() buffer overflow security bug |
| - glBitmap in feedback mode was offset by xOrig, yOrig params |
| - device driver's DrawPixels hook was never used |
| - glDrawPixels with zoomY!=1 and top/bottom clipping didn't work |
| - glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte |
| - fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c |
| - glCopyTexSubImage2D() didn't work with 3Dfx driver |
| - lines with width = 2 could cause crash |
| - glClear with scissor rect sometimes cleared whole buffer |
| - glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work |
| - glTexImageXD( .. GL_ABGR_EXT .. ) didn't work |
| - computation of inverse modelview matrix sometimes failed |
| - fixed GL_CLAMP mode texture sampling bug |
| - textured line interpolation was somewhat broken |
| - textured triangle interpolation was also somewhat broken |
| - glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one |
| - evaluator state wasn't fully initialized |
| - texture coordinate clipping was buggy |
| - evaluator surfaces could be mis-colored |
| - glAccum(GL_RETURN, s) didn't obey glColorMask() settings |
| - zero area polygons shouldn't be culled if polygon mode is point/line |
| - clipped width and height of glReadPixels was sometimes off by one |
| - blending with alpha = 0 or 1.0 wasn't always exact |
| - reading of pixels from clipped region was buggy |
| - minor tweaking of X visual management in GLX emulator |
| - glPolygonStipple now obeys pixel unpacking parameters |
| - glGetPolygonStipple now obeys pixel packing parameters |
| - interleaved vertex array texture coordinates were broken |
| - query of proxy texture internal format was broken |
| - alpha channel wasn't reliably cleared |
| - fixed divide by zero error in gluScaleImage if dest size = 1 x 1 |
| Conformance bug fixes: |
| - GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing |
| - GL_TEXTURE_INTERNAL_FORMAT was missing |
| - glGet*(GL_POLYGON_STIPPLE) was broken |
| - glPush/PopAttrib() didn't save/restore all texture state |
| - glBitmap in feedback mode didn't work |
| - feedback of texture coords didn't always work |
| - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke |
| - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke |
| - glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke |
| Changes: |
| - upgraded GLUT to version 3.7 |
| - only GL and GLU library code included in MesaLib.tar.gz |
| - GLUT and all demos now in MesaDemos.tar.gz |
| - glaux and gltk libraries removed |
| - IRIX -n32 and -64 libs go in lib32/ and lib64/ directories |
| |
| |
| 3.1 beta 1 November 19, 1998 |
| New: |
| - GL_EXT_stencil_wrap extension |
| - GL_INGR_blend_func_separate extension |
| - GL_ARB_multitexture extension |
| - GL_NV_texgen_reflection extension |
| - newly optimized vertex transformation code |
| - updated GLUT 3.7 code |
| - better precision when using 32-bit Z buffer |
| - Allegro DJGPP driver |
| Bug fixes: |
| - glCopyPixels between front/back buffers didn't copy alpha correctly |
| - fixed out-of-bounds memory access in optimized 2-D texture code |
| - glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter |
| - glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter |
| - clipping of texture coordinates sometimes had bad R,Q values |
| - GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels |
| - glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean * |
| - texture was sometimes applied twice with 3Dfx driver |
| - glPush/PopAttrib() fouled up texture object reference counts |
| - glDeleteLists(0, n) caused assertion failure |
| - bilinear texture sampling wasn't accurate enough |
| - glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx |
| - color components were reversed on big endian 32 bpp X visuals |
| Changes: |
| - removed GL_EXT_multitexture extension |
| |
| |
| 3.1 beta 2 May 24, 1999 |
| New: |
| - multi-textured points and lines (mjk@nvidia.com) |
| - optimized 24bpp X rendering (bernd.paysan@gmx.de) |
| - added allegro support (bernie-t@geocities.com) |
| - cleaned-up Windows-related stuff (Ted Jump) |
| - minor stereo changes (KendallB@scitechsoft.com) |
| - new BeOS driver which implements BGLView class |
| - new Direct3D driver (see src/D3D) |
| - more efficient filled gluCylinder() function |
| - utilities: util/showbuffer.[ch] and util/glstate.[ch] |
| - fixed some IRIX compiler warnings |
| - added support for building Mesa in XFree86 with |
| SGI's GLX (kevin@precisioninsight.com) |
| Bug fixes: |
| - a variety of Windows/Mesa bug fixes (mjk@nvidia.com) |
| - packed pixel images weren't unpacked correctly |
| - patches some win32 files in GLUT (mjk@nvidia.com) |
| - glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX |
| - fixed lighting bug in Keith's new shading code |
| - fixed texture segfault seen in Lament screensaver |
| - fixed miscellaneous low-memory bugs |
| - glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken |
| - GL_LINEAR sampling of 3D textures was broken |
| - fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org) |
| - added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk) |
| - fixed wide point and wide line conformance bugs (brianp) |
| Changes: |
| - some device driver changes (see src/dd.h) |
| - new copyright on core Mesa code |
| |
| |
| 3.1 beta 3 September 17, 1999 |
| New: |
| - optimized glAccum function |
| - optimized 24bpp rendering in XMesa driver |
| - GLU 1.2 polygon tessellator |
| Bug Fixes: |
| - glGetTexLevelParameter wasn't fully implemented |
| - glXUseXFont now handles multi-byte fonts |
| - glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result |
| - alpha channel of blending points, lines was sometimes incorrect |
| Changes: |
| - New library names: "libGL" instead of "libMesaGL" |
| - New library numbering: libGL.so.1.2.310 |
| - New subdirectories: docs/ and bin/ |
| - New Makefile-system (autoconf,automake,libtool) |
| |
| |
| 3.1 final December 14, 1999 |
| New: |
| - added demos/gloss.c |
| - added xdemos/glxdpyinfo.c |
| - added GLX_ARB_get_proc_address extension |
| - rewritten glTexImage code paths (faster, less memory, bug fixes) |
| Bug Fixes: |
| - several vertex array bug fixes |
| - overlapping glCopyPixels with pixel zooming now works |
| - glXUseXFont() bitmaps were vertically shifted by one pixel |
| - glCopyPixels with pixel zooming now works |
| |
| |
| 3.2 final April 24, 2000 |
| Bug fixes: |
| - fixed memcpy bugs in span.c |
| - fixed missing glEnd problem in demos/tessdemo.c |
| - fixed bug when clearing 24bpp Ximages |
| - fixed clipping problem found in Unreal Tournament |
| - fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 |
| - fixed Loki's 3dfx RGB vs BGR bug |
| - fixed Loki's 3dfx smooth/flat shading bug in SoF |
| Changes: |
| - updated docs/README file |
| - use bcopy() optimizations on FreeBSD |
| - re-enabled the optimized persp_textured_triangle() function |
| |
| |
| 3.2.1 July 19, 2000 |
| Bug fixes: |
| - gluBuild2DMipmaps() didn't accept GL_BGRA |
| - Fixed compile/makefile problems on IRIX |
| - fixed segfault in 3dfx driver when using GL selection/feedback |
| - no longer cull very, very tiny triangles |
| - blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering) |
| - fixed Motif detection code in widgets-mesa/configure.in |
| - glColorMaterial and glMaterial updates to emissive and ambient |
| didn't always work right |
| - Specular highlights weren't always in the right place |
| - clipped GL_LINE mode polygons had interior lines appear |
| - blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken |
| - GL_NICEST fog didn't always work with flat shading |
| - glRect commands in display lists were sometimes miscolored |
| - Line Z offset didn't always work |
| - fixed texgen normal vector problem (gloss's teapot) |
| - numerous GL conformance bugs fixed |
| Changes: |
| - glColorMask(false, false, false, false) handled better/faster |
| - reverted to old GLU polygon tessellator, GLU 1.1 |
| - updated Win32 build files |
| |
| |
| 3.3 July 21, 2000 |
| New: |
| - antialiased triangles now implemented |
| - GL_EXT_texture_env_add texture mode extension |
| - GLX 1.3 API |
| - support for separate draw/read buffers (ie GL_SGI_make_current_read) |
| - thread-safe API dispath |
| - improved glxinfo program |
| - demos/texdown program to measure texture download performance |
| - glext.h header file |
| - demos/geartrain program |
| - GL_EXT_texture_lod_bias extension |
| - demos/lodbias program |
| - further optimized glRead/DrawPixels for 16-bit TrueColor X visuals |
| - GLX_EXT_visual_rating extension (a no-op, however) |
| - GL_HP_occlusion_test extension (for X and OS/Mesa drivers) |
| - demos/occlude program |
| - GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions |
| - demos/pixeltex program |
| - GL_SGI_color_matrix extension |
| - GL_SGI_color_table extension |
| - GL_EXT_histogram extension |
| - GL_ARB_texture_cube_map extension |
| - added xdemos/glxheads and xdemos/manywin |
| - demos/texenv.c demo |
| - GL_EXT_texture_env_combine extension (by Holger Waechtler) |
| - Xlib driver is now thread-safe (see xdemos/glthreads) |
| Bug Fixes: |
| - various GL conformance failures fixed since 3.2.1 |
| Changes: |
| - gl.h now uses #defines instead of C enums for all tokens |
| - glu.h now uses #defines instead of C enums for all tokens |
| - moved programs from 3Dfx/demos/ into demos/ directory |
| |
| |
| 3.4 November 3, 2000 |
| New: |
| - optimized glDrawPixels for glPixelZoom(1,-1) |
| Bug Fixes: |
| - widgets-mesa/src/*.c files were missing from 3.3 distro |
| - include/GL/mesa_wgl.h file was missing from 3.3 distro |
| - fixed some Win32 compile problems |
| - texture object priorities weren't getting initialized to 1.0 |
| - glAreTexturesResident return value was wrong when using hardware |
| - glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) |
| - glReadPixels with GLushort packed types was broken |
| - fixed a few bugs in the GL_EXT_texture_env_combine texture code |
| - glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables |
| - fixed some typos/bugs in the VB code |
| - glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work |
| - optimized glDrawPixels paths weren't being used |
| - per-fragment fog calculation didn't work without a Z buffer |
| - improved blending accuracy, fixes Glean blendFunc test failures |
| - glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly |
| - glXGetProcAddressARB() didn't always return the right address |
| - gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format |
| - texture matrix changes weren't always detected (GLUT projtex demo) |
| - fixed random color problem in vertex fog code |
| - fixed Glide-related bug that let Quake get a 24-bit Z buffer |
| Changes: |
| - finished internal support for compressed textures for DRI |
| |
| |
| 3.4.1 February 14, 2001 |
| New: |
| - fixed some Linux build problems |
| - fixed some Windows build problems |
| - GL_EXT_texture_env_dot3 extension (Gareth Hughes) |
| Bug fixes: |
| - added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI |
| - various state-update code changes needed for DRI bugs |
| - disabled pixel transfer ops in glColorTable commands, not needed |
| - fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter |
| - updated sources and fixed compile problems in widgets-mesa/ |
| - GLX_PBUFFER enum value was wrong in glx.h |
| - fixed a glColorMaterial lighting bug |
| - fixed bad args to Read/WriteStencilSpan in h/w stencil clear function |
| - glXCopySubBufferMESA() Y position was off by one |
| - Error checking of glTexSubImage3D() was broken (bug 128775) |
| - glPopAttrib() didn't restore all derived Mesa state correctly |
| - Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL |
| conformance problems at 16bpp. |
| - clearing depth buffer with scissoring was broken, would segfault |
| - OSMesaGetDepthBuffer() returned bad bytesPerValue value |
| - fixed a line clipping bug (reported by Craig McDaniel) |
| - fixed RGB color over/underflow bug for very tiny triangles |
| Known problems: |
| - NURBS or evaluator surfaces inside display lists don't always work |
| |
| |
| 3.4.2 May 17, 2001 |
| Bug fixes: |
| - deleting the currently bound texture could cause bad problems |
| - using fog could result in random vertex alpha values |
| - AA triangle rendering could touch pixels outside right window bound |
| - fixed byteswapping problem in clear_32bit_ximage() function |
| - fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam |
| - fixed memory leak in glXUseXFont() |
| - fragment sampling in AA triangle function was off by 1/2 pixel |
| - Windows: reading pixels from framebuffer didn't always work |
| - glConvolutionFilter2D could segfault or cause FP exception |
| - fixed segfaults in FX and X drivers when using tex unit 1 but not 0 |
| - GL_NAND logicop didn't work right in RGBA mode |
| - fixed a memory corruption bug in vertex buffer reset code |
| - clearing the softwara alpha buffer with scissoring was broken |
| - fixed a few color index mode fog bugs |
| - fixed some bad assertions in color index mode |
| - fixed FX line 'stipple' bug #420091 |
| - fixed stencil buffer clear width/height typo |
| - fixed GL error glitches in gl[Client]ActiveTextureARB() |
| - fixed Windows compilation problem in texutil.c |
| - fixed 1/8-pixel AA triangle sampling error |
| Changes: |
| - optimized writing mono-colored pixel spans to X pixmaps |
| - increased max viewport size to 2048 x 2048 |
| |
| |
| 3.5 June 21, 2001 |
| New: |
| - internals of Mesa divided into modular pieces (Keith Whitwell) |
| - 100% OpenGL 1.2 conformance (passes all conformance tests) |
| - new AA line algorithm |
| - GL_EXT_convolution extension |
| - GL_ARB_imaging subset |
| - OSMesaCreateContextExt() function |
| - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) |
| - GL_MAX_TEXTURE_UNITS_ARB now defaults to eight |
| - GL_EXT_fog_coord extension (Keith Whitwell) |
| - GL_EXT_secondary_color extension (Keith Whitwell) |
| - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) |
| - GL_SGIX_depth_texture extension |
| - GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions |
| - demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow |
| - GL_ARB_texture_env_combine extension |
| - GL_ARB_texture_env_dot3 extension |
| - GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) |
| - OSMesaCreateContextExt() function |
| - libOSMesa.so library, contains the OSMesa driver interface |
| - GL/glxext.h header file for GLX extensions |
| - somewhat faster software texturing, fogging, depth testing |
| - all color-index conformance tests now pass (only 8bpp tested) |
| - SPARC assembly language TCL optimizations (David Miller) |
| - GL_SGIS_generate_mipmap extension |
| Bug Fixes: |
| - fbiRev and tmuRev were unitialized when using Glide3 |
| - fixed a few color index mode conformance failures; all pass now |
| - now appling antialiasing coverage to alpha after texturing |
| - colors weren't getting clamped to [0,1] before color table lookup |
| - fixed RISC alignment errors caused by COPY_4UBV macro |
| - drawing wide, flat-shaded lines could cause a segfault |
| - vertices now snapped to 1/16 pixel to fix rendering of tiny triangles |
| Changes: |
| - SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU |
| - new libOSMesa.so library, contains the OSMesa driver interface |
| |
| |
| 3.5.1 Month ??, 2001 |
| New: |
| - GL_IBM_rasterpos_clip extension |
| Bug fixes: |
| - GLX_PBUFFER_WIDTH/HEIGHT were missing from glx.h |